The Firefox implementation of chromestatus requires an update, which has already shipped in Firefox 114.
在2025年8月11日星期一 UTC+8 17:02:53<[email protected]> 写道： > Hi, > > The CL has been merged and this feature is now available behind the > *CSSLangExtendedRanges* runtime flag. > > Best, > Felipe > > On Monday, 7 July 2025 at 14:06:41 UTC+9 [email protected] wrote: > >> Hi, >> >> After coordinating with my colleague Roger Zanoni, I will continue the >> development and shipping of this feature. >> >> In the previous discussion, two years ago, one of the concerns was that >> the lack of sufficient WPT tests. >> >> Fortunately, at the moment there are 25 WPT tests for the :lang selector >> level 4: >> >> >> https://github.com/web-platform-tests/wpt/tree/master/css/selectors/selectors-4 >> >> All 25 of these tests pass in Firefox, while 3 of them fail in Safari: >> >> https://wpt.fyi/results/css/selectors/selectors-4 >> >> The implementation is being developed in this CL: >> >> https://chromium-review.googlesource.com/c/chromium/src/+/6677873 >> >> I have assigned myself to the tracking bug at: >> >> https://issues.chromium.org/issues/40811938 >> >> Kind regards, >> Felipe >> >> On Tuesday, 11 April 2023 at 12:09:00 UTC+9 [email protected] >> wrote: >> >>> On 4/8/23 05:15, Jonathan Kew wrote: >>> > Looking at the webkit tests, I"m concerned that some of them may >>> conflict with >>> > the spec (as I understand it), and this presumably reflects an issue >>> with >>> > webkit's implementation. >>> > [...] >>> > and BCP47 specifically mentions that >>> > >>> >> the language tags described in this document are sequences of >>> characters from >>> > the US-ASCII [ISO646 < >>> https://www.rfc-editor.org/rfc/rfc5646#ref-ISO646>] >>> > repertoire >>> > >>> > From this, I would conclude that a string containing non-ASCII >>> characters >>> > cannot be a "language tag" per BCP47 at all, and therefore cannot >>> possibly match. >>> >>> I'm not sure that behavior's wrong, so much as undefined then? >>> >>> I'm OK with either treating non-ASCII tags as not matching, or passing >>> them >>> through; but that's probably something to discuss in a CSSWG issue with >>> i18nWG >>> input. >>> >>> ~fantasai >>> >>> -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/a9a82f55-5bc0-46d0-a5ea-b0a7d49f54c3n%40chromium.org.
